.w{
  width: 1226px;
  margin: 0 auto;
}
.wrap{
  overflow: hidden;
  position: relative;
}
.swiperBar{
  /* 四张 */
  /* width: 4096px;*/

  /* width:400% */
  width: max-content;
  position: relative;
}
.swiperBar li{
  /* width: 25%; */
  width: 1226px;
  float: left;
}
.swiperBar li img{
  width: 100%;
}

.dotBar {
  position: absolute;
  right: 30px;
  bottom: 50px;
  width: max-content;
}
.dotBar li{
  width: 10px;
  height: 10px;
  border: 2px solid #fff;
  border-radius: 50%;
  float: left;
  margin: 0 5px;
  background-color: rgba(0,0,0,0.4);
}
.dotBar li:hover{
  background-color: pink;
}
.dotBar .active{
  background-color: pink;
}
.left,.right{
  width: 50px;
  height: 80px;
  border-radius: 2px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
  text-align: center;
  line-height: 80px;
  color: grey;
}
.left .icon-left,.right .icon-right{
  font-size: 40px;
}
.left:hover ,.right:hover{
  background-color: rgba(0,0,0,0.5);
  color: #f1f1f1;
}
.left{
  left: 0;
}
.right{
  right: 0;
}
